starelectricals
notifications account_circle favorite
shopping_cart
search
Featured
1 / 7
Toyo Keiki IS-3 Insulation Resistance Monitor | Industrial Ground Fault Monitoring Relay | Adjustable 0.01–1.5 MΩ | AC 115V
SKU: SKU-1480

Toyo Keiki IS-3 Insulation Resistance Monitor | Industrial Ground Fault Monitoring Relay | Adjustable 0.01–1.5 MΩ | AC 115V

star star star star star
No reviews yet
Pricing Status
Contact us for commercial quote & lead time
USED

Specification  Details
Brand: Toyo Keiki Co., Ltd.
Model: IS-3
Product Type: Insulation Resistance Monitor
Monitoring Function: Continuous Insulation Resistance Monitoring
Resistance Setting Range: 0.01 MΩ – 1.5 MΩ (Adjustable)
Auxiliary Supply Voltage: AC 115V
Frequency: 50/60 Hz
Alarm Output: Relay Contacts
Indicators: Power LED, Detection LED
Test Function: Built-in Test Button
Mounting Type: Panel Mount
Application: Industrial Electrical Systems
Protection Function: Ground Fault & Insulation Fault Detection
Suitable For: Marine, Power Plants, Switchgear, Automation Panels, Industrial Equipment
Manufacturer: Toyo Keiki Co., Ltd.
Status: Used Excellent Working (As per photos)
Country Of Origin: Made In Japan
Shipping: Fast & Safe Dispatch Across India & Worldwide Available.

chat WhatsApp
verified_user
Free Shipping
For Indian customers
verified_user
Secure Payment
100% protected
verified_user
Export Quality
Authentic & Certified
verified_user
Fast Delivery
Worldwide shipping

The Toyo Keiki IS-3 Insulation Resistance Monitor is a dependable industrial insulation monitoring device engineered to continuously supervise the insulation resistance of electrical power systems. It helps detect insulation deterioration before it develops into serious ground faults, improving operational safety and reducing costly downtime.


This monitor features an adjustable insulation resistance setting ranging from 0.01 MΩ to 1.5 MΩ, allowing precise configuration for various industrial applications. Equipped with Power and Detection LED indicators, a built-in Test button, and alarm relay contacts, the IS-3 provides clear status indication and reliable alarm signaling whenever insulation resistance falls below the preset threshold.


The Toyo Keiki IS-3 is widely used in marine systems, power generation, switchgear, industrial automation, electrical distribution panels, manufacturing plants, offshore installations, and process industries where continuous insulation monitoring is essential.

Related Products grid_view

RFQ Featured
DEIF PPU-3 100135863.10 Paralleling and Protection Unit | Generator Synchronizing Genset Controller
Quote Required
💬 WhatsApp
RFQ Featured
Basler Electric BE3-32-3AC Reverse Power Relay P/N 9137600105 | 3Ø 50/60Hz 400Hz Generator Protection Relay | 5A CT Input
RFQ Featured
Phoenix Contact PSR-SCP-24DC/TS/M Safety Relay Module 24VDC | Part No. 2986012 | SIL 3 Industrial Safety Relay
Quote Required
💬 WhatsApp
Fast Shipping & Delivery Across India & Globally 100% Authentic & Trusted Products Premium Quality Assured Secure Transactions & Reliable Service Fast Shipping & Delivery Across India & Globally 100% Authentic & Trusted Products Premium Quality Assured Secure Transactions & Reliable Service